<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="../script/jquery-1.7.2.js"></script>
	<script type="text/javascript">
		$(function () { // 表示页面加载完成 之后，相当 window.onload = function () {}
			var $btnId = $("#btnId");// 表示按id查询标签对象
			$btnId.click(function () {// 绑定单击事件
				alert("jq单击事件");
			})
		})
	</script>



</head>
<body>

	<button id="btnId">SayHello</button>

</body>
</html>